GE Fanuc | 9070 | GE Fanuc 90-70 PLC

IC697BEM731 Image


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  • Manufacturer: GE Fanuc
  • Description: GE Fanuc Series 90-70 Genius I/O Bus Controller
  • Weight: 4 lbs :: ≈ 2 kgs
  • Warranty: 1 Years
  • Product Revisions Available:
  • Other Available Revisions of the IC697BEM731 : A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z, -AB,

Product Manual Excerpt

Thirty Drops per channel IC66* (IC660 or IC661) I/O Diagnostics Redundant blocks, cables and CPUs supported Global Communications Hand Held Monitor Port IC66* LAN Communications Soft configuration by CPU Operation augmented by IC697 PLC Alarm Processor function Functions The IC66* Bus Controller (GBC/NBC) is available as a single channel controller. It occupies a single IC66* PLC slot. The bus controller is configured by the MSDOS or Windows programming software configurator function. IC66* Input/Output blocks are scanned asynchronously by the bus controller and I/O data is transferred to the CPU once per scan over the backplane of the IC697 PLC rack. The bus controller also supports directed communications initiated by a PLC CPU Communication Service Request. In addition, it may be configured to perform global communications. Faults reported by the bus controller are managed by the PLC Alarm Processor Function which time stamps and queues faults in a table. For applications requiring peer to peer information transfer, the Bus Controller can serve as a communications node linking other devices (Bus Controllers, PCIMs, and other IC66* devices) via the IC66* bus. Such a network can provide communications between multiple PLCs and host computers. These communications include transmitting global data from one CPU to another. The global data area is identified by MS-DOS or Windows configuration. After initialization, the specified data area is transferred between devices automatically and repetitively. BEM 731 MODULE OK CHANNEL 1 OK NOT USED ON = OK MODULE IC697BEM731C LABEL 44A726758-11 MODULE FUNCTION BUS CONTROLLER Removal of terminal block breaks bus if external jumpers are not applied as shown CHANNEL 1 SER 1 SER 2 SHIELD HAND HELD MONITOR CHANNEL 1 BUS CONTROLLER 1 CHANNEL In addition, messages called Datagrams can be transmitted in response to individual commands in the ladder logic. Datagrams can be sent from one device on the network to another, or broadcast to all devices on the bus. IC66* LAN communications are supported throughout the IC69* PLC family. MS-DOS and Windows are registered trademarks of Microsoft Corporation. GFK-0165G Bus Controller Module 2 Bus Expansion Modules August 1997 Series 90 -70 Programmable Controller Data Sheet Manual GFK-0600F 61-2 Installation Installation should not be attempted without referring to the applicable PLC Installation Manual. Make sure rack power is off. Install in rack. (See figure 1) Turn on power. The module should power up and blink the top LED for about 5 seconds. When the diagnostics have completed successfully the top LED stays. The middle LED is turned ON when a valid configuration for the module has been received from the CPU, and the IC66* I/O bus operation has been verified. The bottom LED is OFF under all conditions. IC66* I/O BUS (7500 FEET (2285 METERS) MAXIMUM) PS I/O TERMINATOR (LAST RACK) TOTAL LENGTH OF ALL INTERCONNECTING CABLES FROM BTM TO LAST BRM IS 50 FEET (15 METERS) MAXIMUM. ALL RACKS MUST BE AT SAME GROUND POTENTIAL (8 RACKS MAXIMUM). NOTE LEGEND CPU - SELECTED CPU MODULE BRM - BUS RECEIVER MODULE, BEM711 BTM - BUS TRANSMITTER MODULE, BEM713 GBC/NBC - BUS CONTROLLER, BEM731/734 PCM - PROGRAMMABLE COPROCESSOR MODULE, PCM711 PS - POWER SUPPLY, PWR710/711/724/748 PARALLEL MODULE OK CHANNEL 1 OK MODULE IC697BEM731C LABEL 44A726758-11 MODULE FUNCTION CONTROLLER Removal of terminal block breaks bus if external jumpers are not applied as shown ( 1 CHANNEL ) HAND HELD MONITOR CHANNEL 1 BUS a42985 Figure 2. IC66 * Bus Controller Module User Details Note Refer to Figure 1, Bus Transmitter Module version IC697BEM713A must be installed to the right of the GBC/NBC or any other IC697 I/O modules. BTM version IC697BEM713B can be installed as shown in the figure (next to the CPU). 3 Bus Controller Module GFK-0165G Bus Expansion Modules August 1997 Series 90 -70 Programmable Controller Data Sheet Manual GFK-0600F 61-3 Removing a Module The instructions below should be followed when removing a module from its slot in a rack. Grasp the board firmly at the top and bottom of the board cover with your thumbs on the front of the cover and your fingers on the plastic clips on the back of the cover. Squeeze the rack clips on the back of the cover with your fingers to disengage the clip from the rack rail and pull the board firmly to remove it from the backplane connector. Slide the board along the card guide and remove it from the rack. Bus Controller Operation Each IC66* I/O serial bus conveys data by passing a token among the devices on the bus. a43528 TOKEN PATH BUS CONTROLLER (DEVICE 31) Figure 3. Bus Scan Cycle During the bus scan, the Bus Controller: Receives all inputs from the I/O blocks. Receives any faults and sets diagnostic status references for use of the PLC CPU when it is accessed once each scan. Updates all outputs on the I/O blocks. Sends any command received from the CPU (for example, Clear Circuit Fault) to the appropriate device. The IC66* I/O bus scan is independent of the IC697 PLC CPU sweep. The PLC CPU sweep is shown below. INPUTS AND DIAGNOSTICS OUTPUTS AND COMMANDS MESSAGES UPDATE INPUTS LADDER LOGIC PROGRAMMER COMMUNICATIONS WINDOW SYSTEM COMMUNICATIONS WINDOW BUS CONTROLLER CPU SWEEP a42189 BUS TOKEN OUT BUS TOKEN IN SEND OUTPUTS Figure 4. CPU Sweep During the I/O service portions of the CPU sweep, the Bus Controller: Makes available to the CPU all discrete inputs and analog inputs. Receives current outputs and new commands from the CPU. Reports its status and that of the serial bus. GFK-0165G Bus Controller Module 4 Bus Expansion Modules August 1997 Series 90 -70 Programmable Controller Data Sheet Manual GFK-0600F 61-4 Communications Window The Bus Controller can communicate with the CPU via the Communications window using these commands: 1 Pulse Test Outputs 2 Read Configuration 3 Write Configuration 4 Read Diagnostics 5 Clear Circuit Fault 6 Clear All Circuit Faults 7 Assign Monitor 8 Enable/Disable Outputs Global 9 Enable/DisableD ata 10 Switch BSM 11 Read Device 12 Write Device 13 Dequeue Datagram 14 Send Datagram 15 Request Datagram Reply Hand Held Monitor Port (1PL) Port 1 PL is for the Hand Held Monitor Connection. IC66* Bus Field Terminal Connections (3PL) Connector 3 PL contains the necessary connection points for the IC66* bus. The serial bus must be terminated at each end by its characteristic impedance. If the Bus Controller is at the end of the bus, select the correct impedance for the cable length and type, as shown in table 2. Included with each board are two small packages containing two resistors each. Use the resistors in the package labeled 44A730116-G01 for those cables with 150 ohm impedance. Use the resistors in the package labeled 44A730116-G02 for those cables with 75 ohm impedance. Also supplied with each board are two prefabricated plugs for termination of both 75 ohm and 150 ohm cables at the last IC66* I/O block on the Serial bus. These plugs are labeled 44A713909-004 for 75 ohm termination and 44A713909-003 for 150 ohm termination. Using shielded, twisted pair cable, create a serial bus connecting the Bus controller, I/O blocks, and other permanently-installed devices as shown in figure 5. Caution All cable used for one serial bus must be of the same type, or the bus will not work. Other busses connected to the same CPU may use different types of cable (unless joined by a Bus Switching Module, as shown in figure 6). Cable specifications are found in Table 2 . For applications using Belden 9182 type cable, prefabricated cables are available in 15 inch and 36 inch lengths for interconnection of IC66* I/O blocks (not compatible with IC697 PLC IC66* Bus Controllers). One 75 ohm and one 150 ohm plug is included with each IC66* Bus Controller. See the Ordering Information on page 7 . SHLD OUT * USER INSTALLED TERMINATION RESISTOR SINGLE CHANNEL (3PL)

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Repair Service

3-5 Days for most repairs. 24 hour repair upon request at no extra charge. If part is unrepairable, we will exchange with a working unit or return unrepaired.